With distinctive architecture which combines classical and modern styles harmoniously, Doji tower stands and shines like an exquisite giant diamond in Hanoi downtown. Doji tower has been recognized as the national record for being the largest diamond-shaped building in Vietnam which employs the most gold and gems for its decoration. The high quality and durable materials, ranging from 6-level marble base to 10-level diamond shape block with excellent glass.

Nguyen Thu Thuy is a visual artist who is based in Hanoi, Vietnam. Born in 1971, she is the general director of New Hanoi Arts Co., Ltd. She is the mastermind and lead designer of the Hanoi Ceramic Mural (HCM) project, which won the Guinness World Records in 2010. Thu Thuy continues to develop other public arts projects throughout Vietnam and internationally. Her artwork can be seen in Hanoi, Thai Nguyen, Thanh Hoa, Truong Sa, Da Nang (Vietnam) and Choisy le Roi (France). In April 2018 she won a Silver A’Design Award for the Hanoi Ceramic Mosaic Mirror House and became member of the International Association of Designers in 2019.

Established on July 28, 1994, DOJI Gold & Gems Group was originally known as TTD Technology and Trading Development Company. In the 1990s, TTD Company pioneered in gold & gems intensive activities such as mining, gems cutting & processing and international export. TTD became the first company to introduce the brand “Vietnam Star Ruby” (VSR) to the international market. Since then, the Company has been internationally honored as “the King of Star Ruby”, portraying Vietnam as a bright spot on the gemstone world map. In 2009, to strengthen the apparatus for the period of the new development strategy, DOJI implemented re-structuring and officially became DOJI Gold & Gems Group. In 2019 on occassion of 25th anniversary of the Group’s establishment , DOJI Tower – the Group’s head office was officially opened, becoming the largest gold and jewelry centre in Vietnam with unique and classy architecture, located in Hanoi centre. DOJI Group has been establishing a strong impact on Vietnamese business community in general and the field of gold and gems in particular with its impressive turnover growth and an increasingly greater brand value. Having dominating the domestic market with a system of gold bars trading, diamond and jewelry distribution all over three regions across Vietnam, DOJI brand is making solid steps in the roadmap to convince customers with the prestigious brand and product quality. Investing on start-of-the-art equipment and technology, DOJI Group has demonstrated more competitive advantages compared to products of the same segment and gained success. The total chartered capital of the DOJI is 2,000 billion Vietnam Dong with total assets of 10,000 billion Vietnam Dong and a total staff of about 2.000 people. Starting to participate in the field of real estate, DOJILAND has marked its impact with the projects in Quang Ninh and Vinh Phuc, which has established a reputation in the market, continuing to affirm its success in the field as one of DOJI’s key operational areas in the next development path. With a strategic vision, a sustainable development viewpoint and enormous potentials, DOJI Group has affirmed its role as a Vietnam’s national brand. The Group is willing to integrate and stretch out further both domestically and internationally in the future.